FAN48630: 2.5MHz, 1500mA, Synchronous TinyBoost™ Regulator with Bypass Mode

The FAN48630 allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs. By combining built-in power transistors, synchronous rectification, and low supply current; this IC provides a compact solution for systems using advanced Li-Ion battery chemistries.

The FAN48630 is a boost regulator designed to provide a minimum output voltage (VOUT(MIN)) from a single-cell Li-Ion battery, even when the battery voltage is below system minimum. Output voltage regulation is guaranteed to a maximum load current of 1500mA. Quiescent current in Shutdown Mode is less than 3µA, which maximizes battery life. The regulator transitions smoothly between Bypass and normal Boost Mode. The device can be forced into Bypass Mode to reduce quiescent current.

The FAN48630 is available in a 16-bump, 0.4mm pitch, Wafer-Level Chip-Scale Package (WLCSP).

FAN48630 Datasheet

Features

Few External Components: 0.47 µH Inductor and 0603 Case Size Input and Output Capacitors
Input Voltage Range: 2.35 V to 5.5 V
Fixed Output Voltage Options: 3.0 V to 5.0 V
Maximum Continuous Load Current: 1500 mA at V_IN of 2.6 V Boosting V_OUT to 3.5 V
Up to 96% Efficient
True Bypass Operation when V_IN > Target V_OUT
Internal Synchronous Rectifier
Soft-Start with True Load Disconnect
Forced Bypass Mode
V_SEL Control to Optimize Target V_OUT
Short-Circuit Protection
Low Operating Quiescent Current
16-Bump, 0.4 mm Pitch WLCSP

**Ordering Code**
Product	Product & Eco Status	Unit Price/1K Order	Packing Method Convention	Package Marking Convention*
FAN48630UC50X	Full Production Green as of Jan 2012 China RoHS	$0.9861	WL-CSP 16L - .625 x 0 x 0mm, TAPE REEL WL-CSP 16L Drawing Last Update: Jan 2015 WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016 WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016	Line 1J8&K Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)
FAN48630BUC34X	Full Production Green as of Jun 2014 China RoHS	$0.9861	WL-CSP 16L - .625 x 0 x 0mm, TAPE REEL WL-CSP 16L Drawing Last Update: Jan 2015 WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016 WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016	Line 1JR&K Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)
FAN48630UC315X	Full Production Green as of Dec 2011 China RoHS	$0.9861	WL-CSP 16L - .625 x 0 x 0mm, TAPE REEL WL-CSP 16L Drawing Last Update: Jan 2015 WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016 WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016	Line 1J5&K Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)
FAN48630BUC33X	Full Production Green as of Jul 2012 China RoHS	$0.9861	WL-CSP 16L - .625 x 0 x 0mm, TAPE REEL WL-CSP 16L Drawing Last Update: Jan 2015 WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016 WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016	Line 1JX&K Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)
FAN48630BUC315X	Full Production Green as of Jan 2013 China RoHS	$0.9861	WL-CSP 16L - .625 x 0 x 0mm, TAPE REEL WL-CSP 16L Drawing Last Update: Jan 2015 WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016 WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016	Line 1J5&K Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)
FAN48630UC37AX	Full Production Green as of Jul 2012 China RoHS	$0.9861	WL-CSP 16L - .625 x 0 x 0mm, TAPE REEL WL-CSP 16L Drawing Last Update: Jan 2015 WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016 WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016	Line 1JT&K Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)
FAN48630UC33X	Full Production Green as of Dec 2011 China RoHS	$0.9861	WL-CSP 16L - .625 x 0 x 0mm, TAPE REEL WL-CSP 16L Drawing Last Update: Jan 2015 WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016 WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016	Line 1JX&K Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)
FAN48630UC45X	Full Production Green as of Dec 2011 China RoHS	$0.9861	WL-CSP 16L - .625 x 0 x 0mm, TAPE REEL WL-CSP 16L Drawing Last Update: Jan 2015 WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016 WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016	Line 1J7&K Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)
FAN48630UC35X	Full Production Green as of Dec 2011 China RoHS	$0.9861	WL-CSP 16L - .625 x 0 x 0mm, TAPE REEL WL-CSP 16L Drawing Last Update: Jan 2015 WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016 WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016	Line 1J6&K Line 2&. (Pin One) &2 (2-Digit Date Code) &Z (Plant Code)

FAN48630.pdf

WL-CSP 16L Drawing Last Update: Jan 2015

WLCSP 1.7x1.7, Packing Drawing Last Update: Jan 2016

WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016

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